diff --git a/expire.go b/expire.go
index ac471b1..36ece38 100644
--- a/expire.go
+++ b/expire.go
@@ -7,7 +7,7 @@ import (
 /**
  * 使用用户名查询
  */
-func SetExpire(key string, ttl int64, url ...string) (uint64, error) {
+func SetExpire(key string, ttl int64, url ...string) (int64, error) {
 
 	conn, _, err := Conn(url...)
 
@@ -16,7 +16,7 @@ func SetExpire(key string, ttl int64, url ...string) (uint64, error) {
 	}
 	defer conn.Close()
 
-	req := &SetExpireRequest{proto.String(key), proto.Uint64(ttl), nil}
+	req := &SetExpireRequest{proto.String(key), proto.Int64(ttl), nil}
 
 	res := &SetExpireResponse{}
 
diff --git a/hash.go b/hash.go
index 704e946..0d1ef67 100644
--- a/hash.go
+++ b/hash.go
@@ -31,7 +31,7 @@ func HGetString(key, field string, url ...string) (string, error) {
 }
 
 //设置
-func HSet(key, field, value string, url ...string) (uint64, error) {
+func HSet(key, field, value string, url ...string) (int64, error) {
 
 	conn, _, err := Conn(url...)
 
@@ -54,7 +54,7 @@ func HSet(key, field, value string, url ...string) (uint64, error) {
 }
 
 //删除
-func HDel(key string, field string, url ...string) (uint64, error) {
+func HDel(key string, field string, url ...string) (int64, error) {
 
 	conn, _, err := Conn(url...)
 
diff --git a/string.go b/string.go
index ee58af4..4124caf 100644
--- a/string.go
+++ b/string.go
@@ -53,7 +53,7 @@ func Set(key, value string, ttl int64, url ...string) (string, error) {
 }
 
 //删除
-func Del(key string, url ...string) (uint64, error) {
+func Del(key string, url ...string) (int64, error) {
 
 	conn, _, err := Conn(url...)